diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-14 17:17:04 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-14 17:17:04 -0700 |
commit | f8cc5756dee3c2a4c56a7f089291f5ae0232747f (patch) | |
tree | c56914922a40cca1a48ac0191f2f5d7fb224ad55 /drivers/scsi | |
parent | bf7c7decb9752a3cb644b435cb354c8948606680 (diff) | |
parent | b4d1b825785847cddee6d104113da913f2ca8efb (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/qlogicpti.c | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index a917ab7475a..1fd5fc6d0fe 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -1119,6 +1119,36 @@ static inline void update_can_queue(struct Scsi_Host *host, u_int in_ptr, u_int host->sg_tablesize = QLOGICPTI_MAX_SG(num_free); } +static unsigned int scsi_rbuf_get(struct scsi_cmnd *cmd, unsigned char **buf_out) +{ + unsigned char *buf; + unsigned int buflen; + + if (cmd->use_sg) { + struct scatterlist *sg; + + sg = (struct scatterlist *) cmd->request_buffer; + buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + buflen = sg->length; + } else { + buf = cmd->request_buffer; + buflen = cmd->request_bufflen; + } + + *buf_out = buf; + return buflen; +} + +static void scsi_rbuf_put(struct scsi_cmnd *cmd, unsigned char *buf) +{ + if (cmd->use_sg) { + struct scatterlist *sg; + + sg = (struct scatterlist *) cmd->request_buffer; + kunmap_atomic(buf - sg->offset, KM_IRQ0); + } +} + /* * Until we scan the entire bus with inquiries, go throught this fella... */ @@ -1145,11 +1175,9 @@ static void ourdone(struct scsi_cmnd *Cmnd) int ok = host_byte(Cmnd->result) == DID_OK; if (Cmnd->cmnd[0] == 0x12 && ok) { unsigned char *iqd; + unsigned int iqd_len; - if (Cmnd->use_sg != 0) - BUG(); - - iqd = ((unsigned char *)Cmnd->buffer); + iqd_len = scsi_rbuf_get(Cmnd, &iqd); /* tags handled in midlayer */ /* enable sync mode? */ @@ -1163,6 +1191,9 @@ static void ourdone(struct scsi_cmnd *Cmnd) if (iqd[7] & 0x20) { qpti->dev_param[tgt].device_flags |= 0x20; } + + scsi_rbuf_put(Cmnd, iqd); + qpti->sbits |= (1 << tgt); } else if (!ok) { qpti->sbits |= (1 << tgt); |